Home / 50,783.04-70,080.48-28,123.20

Finding the Fourth Proportional to 50,783.04, 70,080.48 and 28,123.20

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Solution

The fourth proportional to 50,783.04, 70,080.48 and 28,123.20 is: 38,809.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,783.04 : 70,080.48 = 28,123.20 : x
  2. Step 2: Convert to fraction form
    50,783.04/70,080.48 = 28,123.20/x
  3. Step 3: Cross multiply
    50,783.04x = 70,080.48 × 28,123.20
  4. Step 4: Simplify right side
    50,783.04x = 1,970,887,355.14
  5. Step 5: Solve for x
    x = 1,970,887,355.14/50,783.04
  6. Step 6: Final answer
    x = 38,809.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.